64037568 has 224 divisors, whose sum is σ = 210677760. Its totient is φ = 16773120.

The previous prime is 64037551. The next prime is 64037573. The reversal of 64037568 is 86573046.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1208230 + ... + 1208282.

Almost surely, 2^64037568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64037568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105338880).

64037568 is an abundant number, since it is smaller than the sum of its proper divisors (146640192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64037568 is a wasteful number, since it uses less digits than its factorization.

64037568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 64037568 is about 8002.3476555321. The cubic root of 64037568 is about 400.0782513575.

The spelling of 64037568 in words is "sixty-four million, thirty-seven thousand, five hundred sixty-eight".